Ubuntu 2877-1: Oxide vulnerabilities

    Date27 Jan 2016
    CategoryUbuntu
    34
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in Oxide.
    ==========================================================================
    Ubuntu Security Notice USN-2877-1
    January 27, 2016
    
    oxide-qt vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 15.10
    - Ubuntu 15.04
    - Ubuntu 14.04 LTS
    
    Summary:
    
    Several security issues were fixed in Oxide.
    
    Software Description:
    - oxide-qt: Web browser engine library for Qt (QML plugin)
    
    Details:
    
    A bad cast was discovered in V8. If a user were tricked in to opening a
    specially crafted website, an attacker could potentially exploit this to
    cause a denial of service via renderer crash or execute arbitrary code
    with the privileges of the sandboxed render process. (CVE-2016-1612)
    
    An issue was discovered when initializing the UnacceleratedImageBufferSurface
    class in Blink. If a user were tricked in to opening a specially crafted
    website, an attacker could potentially exploit this to obtain sensitive
    information. (CVE-2016-1614)
    
    An issue was discovered with the CSP implementation in Blink. If a user
    were tricked in to opening a specially crafted website, an attacker could
    potentially exploit this to determine whether specific HSTS sites had been
    visited by reading a CSP report. (CVE-2016-1617)
    
    An issue was discovered with random number generator in Blink. An attacker
    could potentially exploit this to defeat cryptographic protection
    mechanisms. (CVE-2016-1618)
    
    Multiple security issues were discovered in Chromium. If a user were
    tricked in to opening a specially crafted website, an attacker could
    potentially exploit these to read uninitialized memory, cause a denial
    of service via application crash or execute arbitrary code with the
    privileges of the user invoking the program. (CVE-2016-1620)
    
    Multiple security issues were discovered in V8. If a user were tricked
    in to opening a specially crafted website, an attacker could potentially
    exploit these to read uninitialized memory, cause a denial of service via
    renderer crash or execute arbitrary code with the privileges of the
    sandboxed render process. (CVE-2016-2051)
    
    Multiple security issues were discovered in Harfbuzz. If a user were
    tricked in to opening a specially crafted website, an attacker could
    potentially exploit these to cause a denial of service via renderer
    crash or execute arbitrary code with the privileges of the sandboxed
    render process. (CVE-2016-2052)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 15.10:
      liboxideqtcore0                 1.12.5-0ubuntu0.15.10.1
    
    Ubuntu 15.04:
      liboxideqtcore0                 1.12.5-0ubuntu0.15.04.1
    
    Ubuntu 14.04 LTS:
      liboxideqtcore0                 1.12.5-0ubuntu0.14.04.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2877-1
      CVE-2016-1612, CVE-2016-1614, CVE-2016-1617, CVE-2016-1618,
      CVE-2016-1620, CVE-2016-2051, CVE-2016-2052
    
    Package Information:
      https://launchpad.net/ubuntu/+source/oxide-qt/1.12.5-0ubuntu0.15.10.1
      https://launchpad.net/ubuntu/+source/oxide-qt/1.12.5-0ubuntu0.15.04.1
      https://launchpad.net/ubuntu/+source/oxide-qt/1.12.5-0ubuntu0.14.04.1
    
    
    
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